Chou Shin-Uchuu Yori Ai wo Komete

Teradate Ten doesn't like getting involved with people and thus hasn't been watching TV or looking at her smartphone. As a result, she is the last to learn that not only has a UFO landed on Earth, but the alien visitor, Lulucielamo Mocophishim Klasslamonira, has transferred to her school and chosen her as her bride!